A pilot study is conducted to examine a 12-week weigh management program. Twelve overweight participants were...
A pilot study is conducted to examine a 12-week weigh management program. Twelve overweight participants were enrolled, and weight was recorded before and after the 12-week program. Investigators plan to use a paired t-test to examine whether the program was effective in reducing weight. Which of the following are the degrees of freedom for this paired t-test?
| a. |
10 |
|
| b. |
11 |
|
| c. |
12 |
|
| d. |
13 |
Homework Answers
Given, Sample n = 12
For paired t-test,
Degrees of freedom = n - 1
= 12 - 1
= 11
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